Gandu in Summer

In summer (December, January and February), Gandu sees average daytime highs around 29°C and overnight lows near 21°C, with 262 mm of rain over about 55 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.

Across summer, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 18% of the time across summer, and the air most often feels oppressive.

Summer is Gandu's weakest season of the year to visit on our travel score. For the whole year in context, see Gandu's year-round climate.

Avg daytime high
29°C
warmest season of the year
Avg overnight low
21°C
Rainfall
262 mm
55 wet days
Avg wind
8 km/h
Travel score
4.4
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Gandu in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 29°C.

A typical summer day in Gandu reaches about 29°C and drops to 21°C overnight. The warmest of the three months is February, the coolest December.

15°20°25°30°35°DecJanFeb

How summer really feels in Gandu

Once humidity and wind are folded in, summer brings about 20 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
20
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Gandu weather by month

How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°9319.612.74.3
Feb29° / 21°7718.712.54.1
Mar29° / 21°10121.812.14.0
Apr28° / 21°9522.411.74.3
May26° / 20°7419.211.45.2
Jun25° / 19°7219.711.25.3
Jul24° / 18°802111.35.3
Aug25° / 17°7019.411.55.4
Sep26° / 18°5916.711.95.6
Oct27° / 20°6816.812.35.5
Nov28° / 21°10717.712.65.1
Dec29° / 21°9216.212.84.8

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Gandu gets around 262 mm of rain over 55 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 8 km/h across summer.

051015DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 12 h 48 min in early December to 12 h 18 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.6 kWh/m².

0246DecJanFeb
Planning a trip in summer

Is summer a good time to visit Gandu?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

4.4
Sightseeing
4th-best month of the year
5.5
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Gandu for sightseeing.

What to pack for Gandu in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, Gandu sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 55 days see rain.

light clothesrain gearsun protection

Sea temperature near Gandu in Summer

The nearest coast averages about 28°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 67 km away) is warmest in March at about 28°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr28Tropical
May28Warm
Jun26Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Gandu in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gandu peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 19UV 15Jun 22UV 8
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep11Extreme
Oct13Extreme
Nov14Extreme
Dec12Extreme
Location & terrain

Where is Gandu?

Gandu sits at 13.7°S, 39.5°W, 159 m above sea level, in Brazil. The nearest listed city is Wenceslau Guimarães, 7.0 km away.

Topography around Gandu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gandu.

Within 3 km, the terrain around Gandu has significant variations in elevation — a maximum elevation change of 270 m around an average of 208 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 520 m; within 80 km, large variations in elevation — a maximum elevation change of 970 m.

The land around Gandu is covered by trees (78%) within 3 km, trees (84%) within 16 km, and trees (63%) and grassland (24%) within 80 km.

3 km
270 m
16 km
520 m
80 km
970 m
treesgrasslandartificial surfaceswatermangroves
Summer weather nearby: Wenceslau Guimarães 7.0 km · Teolândia 16 km · Presidente Tancredo Neves 33 km · Ituberá 37 km · Ibirataia 40 km · Camamu 47 km · Taperoá 48 km · Ibirapitanga 48 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Gandu (-13.7439°, -39.4867°, elevation 159 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.